Figure 7.
Skin penetration by microneedles: (A) pigskin dyed with trypan blue after microneedle patch removed; (B) micrograph of tissue slice of the pigskin.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.